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O20.0 - Threatened abortion


The ICD 10 Code for Threatened abortion is listed as O20.0.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: O20.0
Description: Threatened abortion
  • Hemorrhage specified as due to threatened abortion
Diagnostic Related Groups
(MS-DRG v30.0)
778 - Threatened Abortion
Chapter Pregnancy, childbirth and the puerperium (O00-O9A)
Block Other maternal disorders predominantly related to pregnancy (O20-O29)
Parent O20 - Hemorrhage in early pregnancy
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 640.03 - Threatened abortion, antepartum condition or complication (approximate)
ICD-10-CM Siblings (same level / similar specificity) of O20.0:
O20.8 - Other hemorrhage in early pregnancy
O20.9 - Hemorrhage in early pregnancy, unspecified